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Adhering to coding conventions. Refer to ``Code conventions`` at https://docs.openstack.org/contributor-guide/ for details. When you have to source a script file, for example, a credentials file to gain access to user-only or admin-only CLI commands, use . instead of source. https://docs.openstack.org/contributor-guide/writing-style/code-conventions.html Change-Id: I1ff56e0775da68e43a691f7f25b3a4ce7930406a